Radiochemistry in Nuclear Power Reactors

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Radiochemistry in Nuclear Power Reactors (1996)
Commission on Physical Sciences, Mathematics, and Applications (CPSMA)

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. "7. ASSAY OF RADIACTIVE WASTE." Radiochemistry in Nuclear Power Reactors. Washington, DC: The National Academies Press, 1996.

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Radiochemistry in Nuclear Power Reactors

Table 7–2

NUCLEAR DATA FOR DIFFICULT-TO-MEASURE RADIONUCLIDES

Isotope	Half Life (years)	Radiation Emitted	Principal Means of Production	Nuclides Origin
H-3	12.3	Beta	Fission; Li-7 (n,nα); B-10 (n,2α); H-2 (n,γ)	Fuel & Coolant
C-14	5730	Beta	N-14 (n,p), 0–17 (n,α)	Fuel & Coolant
Fe-55	2.76	x-ray	Fe-54 (n,γ)	In-core surfaces
Ni-63	99.5	Beta	Ni-62 (n,γ)	In-core surfaces
Ni-59	7.5×10⁴	x-ray	Ni-58 (n,γ)	In-core surfaces
Sr-90	28.1	Beta	Fission	Fuel
Tc-99	2.12×10⁵	Beta	Fission; Mo-98 (n,γ) Mo-99 (beta)	Fuel
I-129	1.57×10⁷	Beta, Gamma	Fission	Fuel
TRU*	Variable	Mostly alpha	Multiple n-capture	Fuel
*TRU=Transuranic isotopes, excluding beta emitter Pu-241 and shorter-lived Cm-242